【结 构 式】 |
【分子编号】17331 【品名】3-[(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol hydrochloride 【CA登记号】 |
【 分 子 式 】C17H19N3O 【 分 子 量 】281.35748 【元素组成】C 72.57% H 6.81% N 14.93% O 5.69% |
与该中间体有关的原料药合成路线共 1 条
合成路线1
该中间体在本合成路线中的序号:(III)The condensation of N-(3-hydroxyphenyl)-N-(4-methylphenyl)amine (I) with 2-(chloromethyl)-4,5-dihydro-1H-imidazole (II) by heating at 150-60 C without solvent or in o-dichlorobenzene gives phentolamine as hydrochloride salt (III), which is treated with ammonia to obtain the free base, and finally salified with methanesulfonic acid in ethanol.
【1】 Miescher, K.; Marxer, A.; Urech, E.; 2-Aminoalkyl-imidazoline. Helv Chim Acta 1950, 33, 5, 1386-407. |
【2】 Miescher, K.; Marxer, A.; Urech, E. (Novartis Corp.); 2-(N,N-Diphenyl-aminomethyl)imidazoles. US 2503059 . |
Extended Information